public static int calculateMinimumHP(int[][] dungeon) {

int cols = dungeon[0].length;

int rows = dungeon.length;

int minCummul = 0;

System.out.println("cols: " + cols + ", rows: " + rows);

for (int i = 0; i < cols; i++) {

int sum = 0;

for (int j = 0; j < rows; j++) {

sum += dungeon[i][j];

minCummul = Math.min(minCummul, sum);

System.out.println("element: " + dungeon[i][j]);

System.out.println("i: " + i + " ,j: " + j + " ,sum: " + sum + ", minCumm: " + minCummul);

}

}

return 0;

}

public static void main(String[] args) {

int dungeon[][] = {{-2,-3,3},{-5,-10,1},{10,30,-5}};

System.out.println("output: " + calculateMinimumHP(dungeon));

}